Seiko Cal. 6150 - 931

Released in 1981, the Cal. 6150 with design code 931 was part of Seiko's domestic market collection. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-9a2e81ea3ea7]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

12.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Green

Jewels

24j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1981

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