Seiko Cal. 5243 - 563

This Hand-Winding model from 1965 features a 40mm Titanium case. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-ed545197a1cf]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

11.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Cream

Jewels

33j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1965

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