Seiko Cal. 4446 - 540

The 4446-540 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4446 caliber with 25j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-e11e49edbb5e]

Also known as: World Timer

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

15.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Champagne

Jewels

25j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1989

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