Seiko Cal. 6331 - 456

This Hand-Winding model from 1972 features a 37mm Gold-Plated case. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-247a0bea2a8a]

Also known as: Rally, Flighty

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

10.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Champagne

Jewels

20j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1972

Related Models

• Seiko 7152-962
• Seiko 5210-175
• Seiko 4522-481
• Seiko 6297-640
• Seiko 6297-107
• Seiko 6696-796
• Seiko 7186-917
• Seiko 7133-414
• Seiko 7193-674
• Seiko 6643-466
• Seiko 5616-834
• Seiko 6367-811