Seiko Cal. 6670 - 993

This Hand-Winding model from 1967 features a 39mm Gold-Plated case. Powered by the 6670 caliber with 19j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-f65e0dbde8fe]

Also known as: Monster, Sumo

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

10.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

60m

Dial Color

Burgundy

Jewels

19j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1967

Related Models

• Seiko 6290-173
• Seiko 0715-848
• Seiko 3875-887
• Seiko 5613-812
• Seiko 7144-593
• Seiko 3886-383
• Seiko 6122-631
• Seiko 6691-472
• Seiko 4470-115
• Seiko 7052-308
• Seiko 0720-284
• Seiko 7049-852