Seiko Cal. 6677 - 638

This Quartz model from 1988 features a 39mm PVD Black case. With its 21mm lug width and 11.2mm profile, it sits comfortably on most wrists. [seikata-wm-23d721a6a9d3]

Also known as: World Timer

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

39mm

Case Thickness

11.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

White

Jewels

35j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1988

Related Models

• Seiko 3819-993
• Seiko 6270-694
• Seiko 5631-534
• Seiko 5226-724
• Seiko 6395-756
• Seiko 7172-757
• Seiko 3884-863
• Seiko 5641-825
• Seiko 6177-329
• Seiko 5228-866
• Seiko 7147-239
• Seiko 7030-205