Seiko Cal. 4481 - 766

This Spring Drive model from 1966 features a 43mm PVD Black case. Powered by the 4481 caliber with 36j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-34a690aad5b3]

Also known as: Samurai, World Timer

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

12.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1966

Related Models

• Seiko 4558-325
• Seiko 7011-867
• Seiko 7035-584
• Seiko 4520-625
• Seiko 6148-811
• Seiko 3821-277
• Seiko 3899-318
• Seiko 5652-995
• Seiko 6227-331
• Seiko 7075-453
• Seiko 7065-795
• Seiko 4415-404