Seiko Cal. 4436 - 739

This Spring Drive model from 1978 features a 46mm Titanium case. The Bidirectional bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-fa1124fbcc08]

Also known as: Goldfeather, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

10.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Cream

Jewels

28j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1978

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