Seiko Cal. 6641 - 380

Seiko 6641-380

This Hand-Winding model from 1988 features a 34mm Titanium case. Powered by the 6641 caliber with 30j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-01d79f66e896]

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
34mm
Case Thickness
15.4mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
140m
Dial Color
Black
Jewels
30j
Frequency
36,000 bph
Power Reserve
43 hours
Year
1988

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seikata-wm-01d79f66e896