Seiko Cal. 5623 - 477

This Spring Drive model from 1977 features a 46mm PVD Black case. It features a Cream dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-6f1f97ce5657]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

13.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

40m

Dial Color

Cream

Jewels

25j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1977

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