Seiko Cal. 5243 - 964

This Hand-Winding model from 1979 features a 37mm Hardlex-Coated Steel case. It features a Green dial protected by a Hardlex crystal and offers 110m of water resistance. [seikata-wm-5694305d63b5]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

10.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Green

Jewels

33j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1979

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