Seiko Cal. 3887 - 984

Seiko 3887-984

The 3887-984 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 3887 caliber with 31j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-b24a76c5c735]

Also known as: Sumo, Sportsmatic

Specifications

Movement
Kinetic
Case Material
Two-Tone
Case Width
44mm
Case Thickness
12.0mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
170m
Dial Color
Silver
Jewels
31j
Frequency
28,800 bph
Power Reserve
68 hours
Year
1978

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seikata-wm-b24a76c5c735