Seiko Cal. 4531 - 645

This Hand-Winding model from 1983 features a 42mm Stainless Steel case. With its 18mm lug width and 13.4mm profile, it sits comfortably on most wrists. [seikata-wm-fc5d8d78b973]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

13.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Navy

Jewels

24j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1983

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