Seiko Cal. 4425 - 747

The Seiko 4425-747 represents an important milestone in Seiko's 1988 lineup. Powered by the 4425 caliber with 25j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-eada18fc8b30]

Also known as: Bullhead, Golden Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

10.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Silver

Jewels

25j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1988

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