Seiko Cal. 6311 - 272

This Automatic model from 1975 features a 44mm Hardlex-Coated Steel case. It features a Black dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-5135cedb64d9]

Also known as: Goldfeather, Baby Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

15.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Black

Jewels

27j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1975

Related Models

• Seiko 7067-962
• Seiko 5288-541
• Seiko 7145-890
• Seiko 4458-395
• Seiko 7070-668
• Seiko 6121-967
• Seiko 7056-260
• Seiko 6382-988
• Seiko 3876-663
• Seiko 6278-703
• Seiko 0763-126
• Seiko 6315-800