Seiko Cal. 7137 - 123

The Seiko 7137-123 represents an important milestone in Seiko's 1977 lineup. The Bidirectional bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-9aa662415851]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

13.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Green

Jewels

23j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1977

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