Seiko Cal. 3837 - 456

Seiko 3837-456

The Seiko 3837-456 represents an important milestone in Seiko's 1984 lineup. Powered by the 3837 caliber with 33j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-4f2aa4932d23]

Also known as: Bullhead, Sportsmatic

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
43mm
Case Thickness
9.1mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
100m
Dial Color
Blue Sunburst
Jewels
33j
Frequency
36,000 bph
Power Reserve
36 hours
Year
1984

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