Seiko Cal. 6377 - 947

The Seiko 6377-947 represents an important milestone in Seiko's 1985 lineup. With its 20mm lug width and 14.6mm profile, it sits comfortably on most wrists. [seikata-wm-4ca7dfd9a87f]

Also known as: Monster

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

14.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

130m

Dial Color

Navy

Jewels

20j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1985

Related Models

• Seiko 5238-998
• Seiko 7075-622
• Seiko 7074-437
• Seiko 6615-326
• Seiko 4516-408
• Seiko 4478-205
• Seiko 6394-610
• Seiko 0727-633
• Seiko 6123-438
• Seiko 7047-832
• Seiko 5650-281
• Seiko 6287-604