Seiko Cal. 5646 - 101

The Seiko 5646-101 represents an important milestone in Seiko's 1972 lineup. With its 20mm lug width and 11.9mm profile, it sits comfortably on most wrists. [seikata-wm-081fb14bedc2]

Also known as: World Timer, Crown

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

46mm

Case Thickness

11.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

80m

Dial Color

White

Jewels

20j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1972

Related Models

• Seiko 5296-798
• Seiko 7012-504
• Seiko 7161-455
• Seiko 3841-310
• Seiko 6666-967
• Seiko 6230-417
• Seiko 5299-176
• Seiko 4583-495
• Seiko 7072-997
• Seiko 6136-847
• Seiko 4531-114
• Seiko 0773-846