Seiko Cal. 4426 - 773

This Hand-Winding model from 1973 features a 39mm Hardlex-Coated Steel case. It features a Silver dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-8916ab98f6fd]

Also known as: Sumo, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

14.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Silver

Jewels

23j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1973

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