Seiko Cal. 5663 - 789

This Solar model from 1979 features a 44mm Titanium case. Powered by the 5663 caliber with 26j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-ce75792bf8b3]

Also known as: Shogun, Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

44mm

Case Thickness

11.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

160m

Dial Color

Burgundy

Jewels

26j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1979

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