Seiko Cal. 0717 - 378

This Automatic model from 1972 features a 45mm Two-Tone case. Powered by the 0717 caliber with 28j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-bb35d2bb7e6b]

Also known as: Bellmatic, World Timer

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

10.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1972

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