Seiko Cal. 5264 - 284

This Spring Drive model from 1978 features a 40mm Titanium case. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-d5b72c8e5a91]

Also known as: Tuna, Emperor

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

8.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

60m

Dial Color

Black

Jewels

25j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1978

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