MB&F Horological Machines HM4 Thunderbolt

REF : 40.TSL.B

"Product added 01/09/15 in our database "(3394 Days)

Watch info

Dial

Indexes

Arabic Numerals

Details

Fine white printed minute track, Silver-tone hour and minute hands, Skeletonized brushed finished Power reserve hand, White Arabic numeral hour markers

Case

Bezel

Fixed

Water Resistance

30 m

Material

Grade 5 Titanium and sapphire

Winding Crown

Separate fluted crowns for time setting and winding

Model Case

Aviation-inspired case with a sapphire centre section offering a view into the engine, Grade 5 Titanium and sapphire

Dimensions (in mm)

54 x 52 x 24

Crystal

Five sapphire crystals: 2 x dials, 1 x central case section, 2 x display panels (top and bottom)

Movement

Power Reserve

72 Hours

Winding

Manual

Functions

Hours & minutes, Power reserve

Jewels

50

Movement

Manual winding with two mainspring barrels in parallel, Three-dimensional horological engine developed 100% by MB&F

Frequency

21,600bph/3Hz

Bracelet

Material

Calfskin

Bracelet

Hand-stitched calfskin strap

Clasp

Titanium custom designed folding buckle

Complication

Power reserve indicator on left dial

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