Seiko Cal. 4550 - 307

This Solar model from 1971 features a 46mm Hardlex-Coated Steel case. It features a Burgundy dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-758bd05fe0de]

Also known as: Crown, Baby Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

14.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

100m

Dial Color

Burgundy

Jewels

27j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1971

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