Seiko Cal. 6131 - 145

The Seiko 6131-145 represents an important milestone in Seiko's 1968 lineup. It features a Black dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-8a76f1e29dc1]

Also known as: Sea Horse

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

44mm

Case Thickness

12.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

140m

Dial Color

Black

Jewels

17j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1968

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