Seiko Cal. 6662 - 377

The 6662-377 is a sought-after Solar piece from Seiko's golden era. Powered by the 6662 caliber with 29j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-9599909bb1ad]

Also known as: Sumo, Bellmatic

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

15.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

150m

Dial Color

Navy

Jewels

29j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1975

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