Seiko Cal. 5660 - 263

This Solar model from 1971 features a 42mm Titanium case. Powered by the 5660 caliber with 18j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-383f35c7019b]

Also known as: Arnie

Specifications

Movement

Solar

Case Material

Titanium

Case Width

42mm

Case Thickness

13.2mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

Navy

Jewels

18j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1971

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