Seiko Cal. 7131 - 376

The Seiko 7131-376 represents an important milestone in Seiko's 1972 lineup. With its 19mm lug width and 15.5mm profile, it sits comfortably on most wrists. [seikata-wm-e8073f5da55d]

Also known as: Bullhead, Baby Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

43mm

Case Thickness

15.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

180m

Dial Color

Black

Jewels

34j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1972

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