Seiko Cal. 5645 - 757

This Quartz model from 1982 features a 37mm Hardlex-Coated Steel case. With its 19mm lug width and 9.7mm profile, it sits comfortably on most wrists. [seikata-wm-af451acf029b]

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

9.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Black

Jewels

36j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1982

Related Models

• Seiko 6112-167
• Seiko 4584-227
• Seiko 6661-659
• Seiko 0739-129
• Seiko 4557-567
• Seiko 5277-684
• Seiko 0731-326
• Seiko 7180-906
• Seiko 6356-268
• Seiko 3875-855
• Seiko 7169-941
• Seiko 7159-755