Seiko Cal. 4434 - 687

The 4434-687 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4434 caliber with 17j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-8ffb8d8a14bc]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

10.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Green

Jewels

17j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1988

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