Seiko Cal. 4540 - 618

Seiko 4540-618

The 4540-618 is a sought-after Solar piece from Seiko's golden era. Powered by the 4540 caliber with 27j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-ec1b80e54cec]

Also known as: UFO

Specifications

Movement
Solar
Case Material
Titanium
Case Width
45mm
Case Thickness
10.9mm
Lug Width
18mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
190m
Dial Color
Blue Sunburst
Jewels
27j
Frequency
36,000 bph
Power Reserve
52 hours
Year
1969

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