Seiko Cal. 4421 - 376

The 4421-376 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4421 caliber with 18j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-e114d7614294]

Also known as: Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

11.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

160m

Dial Color

Black

Jewels

18j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1983

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