Seiko Cal. 0740 - 517

Seiko 0740-517

This Spring Drive model from 1972 features a 43mm Gold-Plated case. Powered by the 0740 caliber with 24j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-3f78383e3e2a]

Also known as: World Timer

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
43mm
Case Thickness
13.9mm
Lug Width
18mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
80m
Dial Color
Silver
Jewels
24j
Frequency
21,600 bph
Power Reserve
66 hours
Year
1972

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