Seiko Cal. 6631 - 179

The 6631-179 is a sought-after Solar piece from Seiko's golden era. Powered by the 6631 caliber with 27j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-2b766ccc9034]

Also known as: Arnie

Specifications

Movement

Solar

Case Material

Titanium

Case Width

39mm

Case Thickness

9.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Green

Jewels

27j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1980

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