Seiko Cal. 6391 - 322

This Solar model from 1965 features a 41mm Stainless Steel case. It features a Green dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-1ac98fb90b34]

Also known as: Tuna, Helmet

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

9.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Green

Jewels

35j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1965

Related Models

• Seiko 6219-558
• Seiko 6324-677
• Seiko 4532-913
• Seiko 6169-563
• Seiko 4579-104
• Seiko 6677-243
• Seiko 6230-659
• Seiko 4534-283
• Seiko 6378-269
• Seiko 6368-594
• Seiko 6656-497
• Seiko 6132-940