Seiko Cal. 6140 - 531

The 6140-531 is a sought-after Automatic piece from Seiko's golden era. With its 21mm lug width and 10.6mm profile, it sits comfortably on most wrists. [seikata-wm-ffa1062616fd]

Also known as: Sumo, UFO

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

10.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

120m

Dial Color

Silver

Jewels

34j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1999

Related Models

• Seiko 0795-168
• Seiko 5210-315
• Seiko 4484-143
• Seiko 3857-643
• Seiko 7172-795
• Seiko 7165-414
• Seiko 6318-551
• Seiko 5642-587
• Seiko 5694-686
• Seiko 6231-976
• Seiko 4564-878
• Seiko 3885-473