Seiko Cal. 5641 - 837

Seiko 5641-837

This Automatic model from 1997 features a 41mm PVD Black case. Powered by the 5641 caliber with 31j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-f8c4c69f6d28]

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
41mm
Case Thickness
9.9mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
170m
Dial Color
Cream
Jewels
31j
Frequency
36,000 bph
Power Reserve
64 hours
Year
1997

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