Seiko Cal. 6682 - 231

Released in 1965, the Cal. 6682 with design code 231 was part of Seiko's domestic market collection. It features a Cream dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-4e5bf70cf1f4]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

10.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

150m

Dial Color

Cream

Jewels

26j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1965

Related Models

• Seiko 7164-570
• Seiko 0774-837
• Seiko 6327-968
• Seiko 4522-930
• Seiko 6273-241
• Seiko 3852-547
• Seiko 3816-295
• Seiko 5220-744
• Seiko 6696-250
• Seiko 5218-201
• Seiko 4560-155
• Seiko 6237-340