Seiko Cal. 3887 - 723

The Seiko 3887-723 represents an important milestone in Seiko's 1996 lineup. Powered by the 3887 caliber with 18j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-5ded77772be6]

Also known as: Monster, Bullhead

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

15.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Cream

Jewels

18j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1996

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