Seiko Cal. 6673 - 423

This Hand-Winding model from 1977 features a 43mm Stainless Steel case. It features a Burgundy dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-5a0dbad30d0a]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

11.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

Burgundy

Jewels

23j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1977

Related Models

• Seiko 4457-186
• Seiko 5240-527
• Seiko 0741-147
• Seiko 3891-383
• Seiko 6384-650
• Seiko 4560-860
• Seiko 0786-567
• Seiko 5226-440
• Seiko 0778-996
• Seiko 6623-583
• Seiko 6234-579
• Seiko 3833-357