Seiko Cal. 6635 - 652

The 6635-652 is a sought-after Solar piece from Seiko's golden era. Powered by the 6635 caliber with 36j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-255e4157b280]

Also known as: Samurai, Golden Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

39mm

Case Thickness

15.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1977

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