Seiko Cal. 6635 - 740

This Solar model from 1968 features a 46mm Stainless Steel case. Powered by the 6635 caliber with 23j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-d84d3096bb97]

Also known as: Silverwave, Golden Tuna

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

10.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1968

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