Seiko Cal. 6639 - 692

This Hand-Winding model from 1968 features a 42mm Gold-Plated case. With its 22mm lug width and 10.5mm profile, it sits comfortably on most wrists. [seikata-wm-b08886559f5c]

Also known as: Turtle

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

10.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Champagne

Jewels

29j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1968

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