Seiko Cal. 4550 - 453

This Spring Drive model from 1977 features a 37mm Two-Tone case. It features a Champagne dial protected by a Hardlex crystal and offers 130m of water resistance. [seikata-wm-47c1660fde10]

Also known as: Monster, Navigator

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

9.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Champagne

Jewels

23j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1977

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