Seiko Cal. 6312 - 140

The Seiko 6312-140 represents an important milestone in Seiko's 1977 lineup. It features a Champagne dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-e07855ff4f39]

Also known as: Sumo, Shogun

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

12.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

100m

Dial Color

Champagne

Jewels

35j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1977

Related Models

• Seiko 3853-112
• Seiko 6219-863
• Seiko 6153-527
• Seiko 6112-725
• Seiko 5215-889
• Seiko 6367-519
• Seiko 7092-697
• Seiko 6665-385
• Seiko 6248-910
• Seiko 3867-821
• Seiko 4490-810
• Seiko 6162-807