Seiko Cal. 6140 - 251

The Seiko 6140-251 represents an important milestone in Seiko's 1986 lineup. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-2acb919f9255]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

11.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Burgundy

Jewels

21j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1986

Related Models

• Seiko 5657-510
• Seiko 6213-252
• Seiko 5685-525
• Seiko 7032-721
• Seiko 6627-732
• Seiko 7070-939
• Seiko 7072-806
• Seiko 6337-422
• Seiko 4496-240
• Seiko 3865-140
• Seiko 3884-564
• Seiko 5665-262