Seiko Cal. 3887 - 915

The 3887-915 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3887 caliber with 27j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-e169f29d9f34]

Also known as: Turtle, Flighty

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

45mm

Case Thickness

15.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Silver

Jewels

27j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1991

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