Seiko Cal. 6635 - 331

Seiko 6635-331

This Hand-Winding model from 1981 features a 39mm Stainless Steel case. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-f0244c424eb4]

Also known as: Turtle

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
39mm
Case Thickness
9.1mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
180m
Dial Color
Cream
Jewels
17j
Frequency
21,600 bph
Power Reserve
57 hours
Year
1981

Related Models

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