Seiko Cal. 6131 - 157

The 6131-157 is a sought-after Spring Drive piece from Seiko's golden era. The Coin-Edge bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-ae61ee1b0d4a]

Also known as: Samurai, Sea Horse

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

9.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1995

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