Seiko Cal. 6312 - 757

This Spring Drive model from 1969 features a 46mm Gold-Plated case. It features a Champagne dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-67b75d1747ca]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

11.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

60m

Dial Color

Champagne

Jewels

20j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1969

Related Models

• Seiko 0710-231
• Seiko 3820-493
• Seiko 7111-785
• Seiko 5643-233
• Seiko 5682-168
• Seiko 7068-295
• Seiko 5286-690
• Seiko 7163-958
• Seiko 0765-675
• Seiko 7066-856
• Seiko 4461-377
• Seiko 6152-368