Seiko Cal. 6135 - 749

This Spring Drive model from 1981 features a 34mm Hardlex-Coated Steel case. The Coin-Edge bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-23be77ff3100]

Also known as: Sumo, Silverwave

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

15.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Navy

Jewels

25j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1981

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