Seiko Cal. 3887 - 921

Seiko 3887-921

The 3887-921 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 3887 caliber with 26j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-dcd56afca489]

Also known as: Navigator, Sea Horse

Specifications

Movement
Kinetic
Case Material
Titanium
Case Width
40mm
Case Thickness
9.1mm
Lug Width
18mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
170m
Dial Color
Silver
Jewels
26j
Frequency
36,000 bph
Power Reserve
55 hours
Year
1987

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