Seiko Cal. 6310 - 491

The Seiko 6310-491 represents an important milestone in Seiko's 1965 lineup. The Fixed bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-78fc01eb46af]

Also known as: Sumo, Rally

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

13.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

30m

Dial Color

Black

Jewels

20j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1965

Related Models

• Seiko 4561-448
• Seiko 0745-407
• Seiko 7122-685
• Seiko 0734-814
• Seiko 7092-354
• Seiko 5242-961
• Seiko 5274-319
• Seiko 3857-997
• Seiko 4518-800
• Seiko 5246-372
• Seiko 0784-234
• Seiko 6129-244