Seiko Cal. 4598 - 137

This Hand-Winding model from 1976 features a 40mm Hardlex-Coated Steel case. It features a Champagne dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-d5db5578e445]

Also known as: Sumo, Silverwave

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

12.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

150m

Dial Color

Champagne

Jewels

36j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1976

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