Seiko Cal. 4430 - 873

This Spring Drive model from 1969 features a 46mm PVD Black case. It features a Navy dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-2e93927a9955]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

12.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Navy

Jewels

28j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1969

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