Seiko Cal. 4425 - 678

The 4425-678 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4425 caliber with 23j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-543e8b4fa6eb]

Also known as: World Timer, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

34mm

Case Thickness

9.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Silver

Jewels

23j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1989

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