Seiko Cal. 6331 - 725

This Quartz model from 1990 features a 46mm Gold-Plated case. It features a Burgundy dial protected by a Acrylic crystal and offers 150m of water resistance. [seikata-wm-6a56da5f855b]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

10.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Burgundy

Jewels

23j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1990

Related Models

• Seiko 6259-774
• Seiko 4475-409
• Seiko 6630-139
• Seiko 0790-759
• Seiko 6359-481
• Seiko 6281-550
• Seiko 7088-699
• Seiko 6122-904
• Seiko 5657-247
• Seiko 4565-362
• Seiko 5675-582
• Seiko 3897-202