Seiko Cal. 6632 - 878

This Automatic model from 1976 features a 37mm PVD Black case. Powered by the 6632 caliber with 22j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-1641a965375f]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

37mm

Case Thickness

11.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Black

Jewels

22j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1976

Related Models

• Seiko 3825-249
• Seiko 7046-284
• Seiko 7138-153
• Seiko 4584-599
• Seiko 4533-264
• Seiko 6683-766
• Seiko 5271-248
• Seiko 5211-747
• Seiko 4514-199
• Seiko 6655-283
• Seiko 4457-245
• Seiko 7059-956