Seiko Cal. 6662 - 361

The 6662-361 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6662 caliber with 36j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-04478a272ce9]

Also known as: Sumo, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

34mm

Case Thickness

9.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Green

Jewels

36j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1991

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