Seiko Cal. 4425 - 901

The 4425-901 is a sought-after Solar piece from Seiko's golden era. Powered by the 4425 caliber with 18j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-13819c5fb438]

Also known as: Bullhead

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

9.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Burgundy

Jewels

18j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1981

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