Seiko Cal. 4427 - 445

The 4427-445 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4427 caliber with 22j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-0461fb242306]

Also known as: Rally, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

9.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

120m

Dial Color

Silver

Jewels

22j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1986

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