Seiko Cal. 5635 - 652

This Solar model from 1981 features a 38mm Two-Tone case. Powered by the 5635 caliber with 36j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-0283d0be49b7]

Also known as: Golden Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

38mm

Case Thickness

8.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1981

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