Seiko Cal. 3898 - 461

Seiko 3898-461

This Spring Drive model from 1977 features a 46mm Hardlex-Coated Steel case. Powered by the 3898 caliber with 29j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-d8267dc3035d]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
14.6mm
Lug Width
22mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
70m
Dial Color
Champagne
Jewels
29j
Frequency
21,600 bph
Power Reserve
58 hours
Year
1977

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seikata-wm-d8267dc3035d