Seiko Cal. 5645 - 309

The Seiko 5645-309 represents an important milestone in Seiko's 1972 lineup. Powered by the 5645 caliber with 32j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-41809a8d8010]

Also known as: Samurai

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

45mm

Case Thickness

13.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Navy

Jewels

32j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1972

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