Seiko Cal. 3891 - 748

Seiko 3891-748

The Seiko 3891-748 represents an important milestone in Seiko's 1983 lineup. The Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-3057a7a2f70e]

Also known as: Silverwave, Sportsmatic

Specifications

Movement
Solar
Case Material
Gold-Plated
Case Width
46mm
Case Thickness
15.4mm
Lug Width
20mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
180m
Dial Color
Cream
Jewels
28j
Frequency
21,600 bph
Power Reserve
56 hours
Year
1983

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seikata-wm-3057a7a2f70e