Seiko Cal. 6637 - 856

Seiko 6637-856

This Automatic model from 1992 features a 45mm Gold-Plated case. With its 22mm lug width and 8.9mm profile, it sits comfortably on most wrists. [seikata-wm-1936fdf28a45]

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
45mm
Case Thickness
8.9mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
130m
Dial Color
White
Jewels
23j
Frequency
36,000 bph
Power Reserve
41 hours
Year
1992

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seikata-wm-1936fdf28a45