Seiko Cal. 5657 - 187

This Quartz model from 1977 features a 45mm Titanium case. With its 21mm lug width and 15.3mm profile, it sits comfortably on most wrists. [seikata-wm-8672d5d99a99]

Also known as: Panda, Golden Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

45mm

Case Thickness

15.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Burgundy

Jewels

29j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1977

Related Models

• Seiko 5221-291
• Seiko 6183-680
• Seiko 4480-727
• Seiko 6268-465
• Seiko 4563-808
• Seiko 4588-523
• Seiko 6322-262
• Seiko 7168-349
• Seiko 7172-461
• Seiko 5629-155
• Seiko 0764-587
• Seiko 5666-515