Seiko Cal. 4531 - 369

The Seiko 4531-369 represents an important milestone in Seiko's 1981 lineup. With its 18mm lug width and 10.9mm profile, it sits comfortably on most wrists. [seikata-wm-9d46e1500cb9]

Also known as: Bellmatic, Golden Tuna

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

37mm

Case Thickness

10.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

100m

Dial Color

Silver

Jewels

23j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1981

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