Seiko Cal. 6140 - 879

The 6140-879 is a sought-after Spring Drive piece from Seiko's golden era. The Coin-Edge bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-2f1c285a76f9]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Black

Jewels

17j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1979

Related Models

• Seiko 6149-414
• Seiko 6352-185
• Seiko 7112-660
• Seiko 4587-726
• Seiko 7071-513
• Seiko 4487-950
• Seiko 4425-434
• Seiko 6398-114
• Seiko 6622-515
• Seiko 6685-434
• Seiko 4589-143
• Seiko 0748-731