Seiko Cal. 3893 - 230

Seiko 3893-230

This Automatic model from 1971 features a 36mm Hardlex-Coated Steel case. Powered by the 3893 caliber with 19j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-8bafb01592bc]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
13.7mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
60m
Dial Color
Blue Sunburst
Jewels
19j
Frequency
28,800 bph
Power Reserve
46 hours
Year
1971

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