Seiko Cal. 3884 - 440

The 3884-440 is a sought-after Solar piece from Seiko's golden era. Powered by the 3884 caliber with 24j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-412db9ff279e]

Also known as: World Timer

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

11.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Green

Jewels

24j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1988

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