Seiko Cal. 4427 - 901

The 4427-901 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4427 caliber with 22j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-9e8a7967819d]

Also known as: Bellmatic, Flighty

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

8.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Burgundy

Jewels

22j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1988

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