Seiko Cal. 6631 - 736

This Solar model from 1972 features a 36mm Stainless Steel case. Powered by the 6631 caliber with 24j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-559c9bbaf7aa]

Also known as: Silverwave

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

8.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Cream

Jewels

24j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1972

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