Seiko Cal. 6231 - 409

This Hand-Winding model from 1978 features a 42mm Titanium case. The Coin-Edge bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-0dbe7de15a6e]

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

42mm

Case Thickness

8.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

White

Jewels

34j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1978

Related Models

• Seiko 5291-376
• Seiko 7179-816
• Seiko 6271-425
• Seiko 7172-407
• Seiko 0739-431
• Seiko 5285-835
• Seiko 4425-494
• Seiko 7028-263
• Seiko 5691-886
• Seiko 3847-667
• Seiko 6699-695
• Seiko 6653-921