Seiko Cal. 4421 - 808

This Hand-Winding model from 1979 features a 36mm Titanium case. It features a Green dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-8ae102daa3f2]

Also known as: Tuna, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

36mm

Case Thickness

10.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Green

Jewels

23j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1979

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