Seiko Cal. 4540 - 800

This Solar model from 1981 features a 37mm Stainless Steel case. With its 21mm lug width and 12.9mm profile, it sits comfortably on most wrists. [seikata-wm-7cf8a432b87c]

Also known as: Sportsmatic, Bellmatic

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

12.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1981

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