Seiko Cal. 6391 - 557

The 6391-557 is a sought-after Solar piece from Seiko's golden era. It features a Cream dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-13bfe5ef8ca1]

Also known as: Crown

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

13.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

150m

Dial Color

Cream

Jewels

20j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1969

Related Models

• Seiko 0736-969
• Seiko 6315-629
• Seiko 6641-506
• Seiko 6211-564
• Seiko 6287-635
• Seiko 0751-155
• Seiko 0757-705
• Seiko 7155-344
• Seiko 4512-119
• Seiko 3897-705
• Seiko 0741-560
• Seiko 7187-676