Seiko Cal. 6655 - 638

The 6655-638 is a sought-after Solar piece from Seiko's golden era. Powered by the 6655 caliber with 24j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-89de482da00a]

Also known as: World Timer

Specifications

Movement

Solar

Case Material

Titanium

Case Width

41mm

Case Thickness

12.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

90m

Dial Color

Green

Jewels

24j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1981

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