Seiko Cal. 6638 - 477

Seiko 6638-477

This Hand-Winding model from 1992 features a 38mm Gold-Plated case. Powered by the 6638 caliber with 32j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-4c1ee4063905]

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
38mm
Case Thickness
13.0mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
130m
Dial Color
Silver
Jewels
32j
Frequency
36,000 bph
Power Reserve
43 hours
Year
1992

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seikata-wm-4c1ee4063905