Seiko Cal. 6311 - 439

This Kinetic model from 1972 features a 35mm PVD Black case. The Bidirectional bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-46bddd944c62]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

35mm

Case Thickness

12.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Burgundy

Jewels

17j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1972

Related Models

• Seiko 3897-857
• Seiko 6345-600
• Seiko 7189-963
• Seiko 0739-966
• Seiko 6119-528
• Seiko 5618-670
• Seiko 6326-231
• Seiko 5686-601
• Seiko 6228-525
• Seiko 5675-631
• Seiko 6391-901
• Seiko 7075-465