Seiko Cal. 4545 - 721

This Hand-Winding model from 1980 features a 37mm Two-Tone case. It features a Champagne dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-75e9a5e9ceb5]

Also known as: Sumo, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

12.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

180m

Dial Color

Champagne

Jewels

34j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1980

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