Seiko Cal. 4435 - 156

This Spring Drive model from 1966 features a 42mm PVD Black case. The Fixed bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-014834e3b470]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

13.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1966

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