Seiko Cal. 4421 - 918

The 4421-918 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4421 caliber with 28j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-da2505c23ce1]

Also known as: Pogue

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Burgundy

Jewels

28j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1967

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