Seiko Cal. 4540 - 118

Seiko 4540-118

This Spring Drive model from 1974 features a 37mm PVD Black case. Powered by the 4540 caliber with 33j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-27a4c75139cf]

Also known as: UFO, Flighty

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
37mm
Case Thickness
15.4mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
80m
Dial Color
Champagne
Jewels
33j
Frequency
36,000 bph
Power Reserve
55 hours
Year
1974

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