Seiko Cal. 4521 - 661

The 4521-661 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4521 caliber with 27j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-ce757c415761]

Also known as: Samurai, Pogue

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

44mm

Case Thickness

8.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Cream

Jewels

27j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1973

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