Seiko Cal. 6231 - 740

Released in 1998, the Cal. 6231 with design code 740 was part of Seiko's domestic market collection. The Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-ad941590aa58]

Also known as: Samurai, Helmet

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

13.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

110m

Dial Color

White

Jewels

23j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1998

Related Models

• Seiko 5262-481
• Seiko 5657-228
• Seiko 6382-391
• Seiko 6671-422
• Seiko 7110-722
• Seiko 5220-610
• Seiko 4565-949
• Seiko 0723-852
• Seiko 7147-779
• Seiko 5650-253
• Seiko 5258-624
• Seiko 5267-261