Seiko Cal. 4420 - 739

This Spring Drive model from 1989 features a 38mm Titanium case. Powered by the 4420 caliber with 35j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-f28eae49a185]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

9.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

140m

Dial Color

Burgundy

Jewels

35j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1989

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