Seiko Cal. 4483 - 637

Seiko 4483-637

This Automatic model from 1973 features a 34mm Two-Tone case. Powered by the 4483 caliber with 32j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-91d19d53bf2c]

Also known as: Helmet, Baby Tuna

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
34mm
Case Thickness
13.2mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
100m
Dial Color
Cream
Jewels
32j
Frequency
28,800 bph
Power Reserve
69 hours
Year
1973

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