Seiko Cal. 5645 - 168

The Seiko 5645-168 represents an important milestone in Seiko's 1966 lineup. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-bcab62c8fde8]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

9.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Burgundy

Jewels

28j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1966

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