Seiko Cal. 6131 - 156

Released in 1989, the Cal. 6131 with design code 156 was part of Seiko's domestic market collection. The Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-be60bd8f3182]

Also known as: Rally, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

10.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

30m

Dial Color

Green

Jewels

31j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1989

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