Seiko Cal. 4420 - 892

This Hand-Winding model from 1982 features a 37mm Titanium case. It features a Green dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-e742e83779fe]

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

8.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Green

Jewels

17j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1982

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