Seiko Cal. 6257 - 431

The Seiko 6257-431 represents an important milestone in Seiko's 1967 lineup. The Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-75ebcf79450b]

Also known as: Arnie

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

41mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

27j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1967

Related Models

• Seiko 3864-910
• Seiko 7012-580
• Seiko 6211-216
• Seiko 6322-829
• Seiko 0723-477
• Seiko 3837-775
• Seiko 3831-819
• Seiko 4515-724
• Seiko 7173-310
• Seiko 6245-701
• Seiko 6172-237
• Seiko 6232-795