Seiko Cal. 4427 - 797

This Spring Drive model from 1991 features a 39mm Titanium case. It features a Black dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-bdb8654a6505]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

150m

Dial Color

Black

Jewels

33j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1991

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