Seiko Cal. 6131 - 679

The 6131-679 is a sought-after Automatic piece from Seiko's golden era. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-d981dbf705ab]

Also known as: Bullhead, World Timer

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

13.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Cream

Jewels

34j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1998

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