Seiko Cal. 7137 - 121

The Seiko 7137-121 represents an important milestone in Seiko's 1972 lineup. It features a Cream dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-8b31f90d6ac8]

Also known as: Tuna, Bullhead

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Cream

Jewels

33j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1972

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