Seiko Cal. 5639 - 451

Seiko 5639-451

This Quartz model from 1974 features a 38mm Two-Tone case. With its 18mm lug width and 9.5mm profile, it sits comfortably on most wrists. [seikata-wm-60c71de314e8]

Also known as: Turtle, Sumo

Specifications

Movement
Quartz
Case Material
Two-Tone
Case Width
38mm
Case Thickness
9.5mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
60m
Dial Color
Green
Jewels
29j
Frequency
21,600 bph
Power Reserve
42 hours
Year
1974

Related Models

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