Seiko Cal. 5661 - 341

The 5661-341 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5661 caliber with 21j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-8add5969af4f]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

10.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

200m

Dial Color

Champagne

Jewels

21j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1991

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