Seiko Cal. 3887 - 663

The 3887-663 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3887 caliber with 19j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-e9827e98b0ce]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

45mm

Case Thickness

12.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Black

Jewels

19j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1986

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