Seiko Cal. 6138 - 431

This Hand-Winding model from 1981 features a 42mm Stainless Steel case. With its 22mm lug width and 10.6mm profile, it sits comfortably on most wrists. [seikata-wm-8ff3497122d2]

Also known as: Turtle, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

10.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Cream

Jewels

18j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1981

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