Seiko Cal. 4427 - 950

The 4427-950 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4427 caliber with 21j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-433129b068a1]

Also known as: World Timer

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

11.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

White

Jewels

21j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1968

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