Seiko Cal. 6311 - 401

The Seiko 6311-401 represents an important milestone in Seiko's 1971 lineup. It features a Navy dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-64658722cee4]

Also known as: Samurai, Flighty

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

38mm

Case Thickness

15.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

130m

Dial Color

Navy

Jewels

28j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1971

Related Models

• Seiko 6650-681
• Seiko 4511-705
• Seiko 5671-163
• Seiko 6621-507
• Seiko 5287-804
• Seiko 4515-694
• Seiko 6671-675
• Seiko 7027-283
• Seiko 7124-395
• Seiko 7191-391
• Seiko 6272-393
• Seiko 6392-828