Seiko Cal. 4427 - 876

The 4427-876 is a sought-after Solar piece from Seiko's golden era. Powered by the 4427 caliber with 32j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-1c111a72417c]

Also known as: Helmet, Rally

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

10.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

80m

Dial Color

White

Jewels

32j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1970

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