Seiko Cal. 5243 - 816

This Hand-Winding model from 1980 features a 41mm Hardlex-Coated Steel case. Powered by the 5243 caliber with 23j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-b8c50311ad87]

Also known as: Helmet, World Timer

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

8.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

130m

Dial Color

Burgundy

Jewels

23j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1980

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