Seiko Cal. 6656 - 595

This Automatic model from 1981 features a 40mm Hardlex-Coated Steel case. It features a White dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-c1259792e9b4]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

11.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

200m

Dial Color

White

Jewels

27j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1981

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