Seiko Cal. 6631 - 461

This Solar model from 1986 features a 44mm Gold-Plated case. Powered by the 6631 caliber with 20j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-99ef111f128b]

Also known as: Tuna, Rally

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

12.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

120m

Dial Color

Navy

Jewels

20j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1986

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