Seiko Cal. 7045 - 557

This Spring Drive model from 1978 features a 45mm Gold-Plated case. Powered by the 7045 caliber with 21j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-0df33c43d8ff]

Also known as: World Timer, Flighty

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

8.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Silver

Jewels

21j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1978

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