Seiko Cal. 6131 - 545

The Seiko 6131-545 represents an important milestone in Seiko's 1998 lineup. The Coin-Edge bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-8bc6a36925f2]

Also known as: Helmet, Silverwave

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

12.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Black

Jewels

35j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1998

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