Seiko Cal. 4540 - 637

This Hand-Winding model from 1977 features a 41mm Gold-Plated case. It features a Navy dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-6cb17f764d31]

Also known as: Pogue, Silverwave

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

11.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

80m

Dial Color

Navy

Jewels

35j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1977

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