Seiko Cal. 7137 - 381

Released in 1966, the Cal. 7137 with design code 381 was part of Seiko's domestic market collection. The Coin-Edge bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-3ec32bfe26b5]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

9.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Cream

Jewels

27j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1966

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