Seiko Cal. 4548 - 392

This Spring Drive model from 1970 features a 37mm Gold-Plated case. Powered by the 4548 caliber with 29j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-66a9ebe4704e]

Also known as: UFO, World Timer

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

15.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1970

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