Seiko Cal. 3890 - 287

Seiko 3890-287

The 3890-287 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3890 caliber with 35j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-3be18fb9a6df]

Also known as: Sea Horse, Arnie

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
34mm
Case Thickness
11.7mm
Lug Width
21mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
140m
Dial Color
Champagne
Jewels
35j
Frequency
21,600 bph
Power Reserve
57 hours
Year
1993

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