Seiko Cal. 4428 - 414

This Spring Drive model from 1975 features a 43mm Stainless Steel case. It features a Cream dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-3f83797a23f0]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

10.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

60m

Dial Color

Cream

Jewels

30j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1975

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