Seiko Cal. 6391 - 336

The 6391-336 is a sought-after Spring Drive piece from Seiko's golden era. The Bidirectional bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-89331bda7380]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

11.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

200m

Dial Color

White

Jewels

28j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1974

Related Models

• Seiko 3811-769
• Seiko 3889-299
• Seiko 6188-572
• Seiko 5284-214
• Seiko 6188-718
• Seiko 7064-107
• Seiko 4529-455
• Seiko 6177-644
• Seiko 3825-761
• Seiko 3853-188
• Seiko 4444-647
• Seiko 5649-281