Seiko Cal. 5645 - 153

The Seiko 5645-153 represents an important milestone in Seiko's 1971 lineup. The Bidirectional bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-e47d0c0b12aa]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

15.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1971

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