Seiko Cal. 5639 - 617

Seiko 5639-617

This Hand-Winding model from 1967 features a 35mm Two-Tone case. The Bidirectional bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-c50d2ff3119b]

Also known as: Sumo, Silverwave

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
35mm
Case Thickness
11.6mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
50m
Dial Color
Silver
Jewels
34j
Frequency
28,800 bph
Power Reserve
66 hours
Year
1967

Related Models

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