Seiko Cal. 6131 - 232

The Seiko 6131-232 represents an important milestone in Seiko's 1976 lineup. With its 22mm lug width and 8.4mm profile, it sits comfortably on most wrists. [seikata-wm-63542b4c016d]

Also known as: Tuna

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

42mm

Case Thickness

8.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

100m

Dial Color

Green

Jewels

34j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1976

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