Seiko Cal. 5645 - 906

The Seiko 5645-906 represents an important milestone in Seiko's 1986 lineup. Powered by the 5645 caliber with 27j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-a4ccb1524439]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

11.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

100m

Dial Color

Silver

Jewels

27j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1986

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