Seiko Cal. 6642 - 855

Seiko 6642-855

This Hand-Winding model from 1993 features a 42mm Titanium case. Powered by the 6642 caliber with 25j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-798ba5c01730]

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
42mm
Case Thickness
14.9mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
60m
Dial Color
Silver
Jewels
25j
Frequency
28,800 bph
Power Reserve
69 hours
Year
1993

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seikata-wm-798ba5c01730