Seiko Cal. 6131 - 845

The Seiko 6131-845 represents an important milestone in Seiko's 1987 lineup. It features a Green dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-b6236e1dd139]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

8.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Green

Jewels

23j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1987

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