Seiko Cal. 4521 - 674

This Solar model from 1997 features a 40mm Gold-Plated case. With its 21mm lug width and 12.4mm profile, it sits comfortably on most wrists. [seikata-wm-69b760ac7798]

Also known as: Sumo, Helmet

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

12.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Navy

Jewels

28j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1997

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