Seiko Cal. 5645 - 801

The Seiko 5645-801 represents an important milestone in Seiko's 1977 lineup. The Bidirectional bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-7050bdb433ab]

Also known as: Shogun, Helmet

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

9.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Black

Jewels

17j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1977

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