Seiko Cal. 5645 - 414

The Seiko 5645-414 represents an important milestone in Seiko's 1976 lineup. Powered by the 5645 caliber with 27j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-43655f61b690]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

12.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Champagne

Jewels

27j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1976

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