Seiko Cal. 4437 - 819

This Hand-Winding model from 1970 features a 34mm Stainless Steel case. It features a Cream dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-2ee3d9b81deb]

Also known as: Sumo, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

12.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

180m

Dial Color

Cream

Jewels

23j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1970

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