Seiko Cal. 6637 - 422

Seiko 6637-422

This Hand-Winding model from 1986 features a 34mm Gold-Plated case. The Fixed bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-e94ebefc1220]

Also known as: Turtle, Monster

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
34mm
Case Thickness
15.9mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
70m
Dial Color
Green
Jewels
23j
Frequency
21,600 bph
Power Reserve
64 hours
Year
1986

Related Models

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