Seiko Cal. 6231 - 404

This Kinetic model from 1997 features a 39mm Two-Tone case. With its 21mm lug width and 15.3mm profile, it sits comfortably on most wrists. [seikata-wm-92f8b4449074]

Also known as: Tuna

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

15.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

White

Jewels

32j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1997

Related Models

• Seiko 4541-381
• Seiko 5242-332
• Seiko 7177-287
• Seiko 7119-471
• Seiko 0790-957
• Seiko 7134-959
• Seiko 5249-313
• Seiko 3848-970
• Seiko 5299-318
• Seiko 3868-810
• Seiko 5220-323
• Seiko 5230-147