Seiko Cal. 4540 - 927

The Seiko 4540-927 represents an important milestone in Seiko's 1965 lineup. Powered by the 4540 caliber with 32j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-d681d33090c6]

Also known as: Samurai, Navigator

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

10.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1965

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