Seiko Cal. 3887 - 703

Seiko 3887-703

Released in 1992, the Cal. 3887 with design code 703 was part of Seiko's domestic market collection. Powered by the 3887 caliber with 23j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-40bd70e51f96]

Also known as: Sportsmatic, Golden Tuna

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
41mm
Case Thickness
15.2mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
110m
Dial Color
White
Jewels
23j
Frequency
36,000 bph
Power Reserve
55 hours
Year
1992

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seikata-wm-40bd70e51f96