Seiko Cal. 6135 - 321

This Hand-Winding model from 1991 features a 40mm Stainless Steel case. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-593e241a961c]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

9.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Black

Jewels

22j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1991

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