Seiko Cal. 6315 - 377

This Hand-Winding model from 1985 features a 40mm Hardlex-Coated Steel case. With its 21mm lug width and 12.4mm profile, it sits comfortably on most wrists. [seikata-wm-dceca3f9b14c]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

12.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Burgundy

Jewels

33j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1985

Related Models

• Seiko 7172-672
• Seiko 5292-744
• Seiko 7169-771
• Seiko 5677-643
• Seiko 5247-789
• Seiko 5678-935
• Seiko 7096-428
• Seiko 4459-109
• Seiko 6145-478
• Seiko 6347-713
• Seiko 6673-759
• Seiko 6332-427