Seiko Cal. 6630 - 709

This Automatic model from 1987 features a 43mm Two-Tone case. With its 18mm lug width and 12.8mm profile, it sits comfortably on most wrists. [seikata-wm-2815be5aaffa]

Also known as: Helmet, Arnie

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

12.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

40m

Dial Color

Black

Jewels

29j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1987

Related Models

• Seiko 6257-477
• Seiko 4451-541
• Seiko 5698-894
• Seiko 4452-239
• Seiko 6372-195
• Seiko 6674-607
• Seiko 3854-891
• Seiko 3848-103
• Seiko 6636-721
• Seiko 6241-540
• Seiko 4472-172
• Seiko 6352-496