Seiko Cal. 5646 - 129

The Seiko 5646-129 represents an important milestone in Seiko's 1979 lineup. With its 20mm lug width and 9.6mm profile, it sits comfortably on most wrists. [seikata-wm-225e1ac0990f]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Silver

Jewels

25j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1979

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