Seiko Cal. 3847 - 740

Seiko 3847-740

The Seiko 3847-740 represents an important milestone in Seiko's 1983 lineup. The Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-ae738a75371a]

Also known as: Sportsmatic, World Timer

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
41mm
Case Thickness
10.6mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
60m
Dial Color
Blue Sunburst
Jewels
35j
Frequency
21,600 bph
Power Reserve
56 hours
Year
1983

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