Seiko Cal. 3887 - 723

Seiko 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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