Seiko Cal. 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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