Seiko Cal. 6316 - 231

The 6316-231 is a sought-after Hand-Winding piece from Seiko's golden era. The Inner Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-ff3eb847e366]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

43mm

Case Thickness

13.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Cream

Jewels

36j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1965

Related Models

• Seiko 4578-858
• Seiko 7084-413
• Seiko 5252-798
• Seiko 5621-425
• Seiko 6216-408
• Seiko 6383-193
• Seiko 6218-553
• Seiko 5671-769
• Seiko 6383-947
• Seiko 6351-812
• Seiko 6341-816
• Seiko 0794-516