Seiko Cal. 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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