Seiko Cal. 6356 - 640

This Hand-Winding model from 1993 features a 37mm PVD Black case. It features a Green dial protected by a Acrylic crystal and offers 60m of water resistance. [seikata-wm-29740bbcd0a9]

Also known as: Sumo, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

13.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Green

Jewels

22j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1993

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