Seiko Cal. 7155 - 660

The 7155-660 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7155 caliber with 21j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-c9beea0092e9]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

14.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

Green

Jewels

21j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1982

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