Seiko Cal. 4427 - 971

The 4427-971 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4427 caliber with 35j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-8c246a398fa4]

Also known as: Emperor

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

46mm

Case Thickness

8.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Black

Jewels

35j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1990

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