Seiko Cal. 4551 - 501

The 4551-501 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4551 caliber with 27j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-9339fac46bd8]

Also known as: Samurai, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

14.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Silver

Jewels

27j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1978

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