Seiko Cal. 6140 - 604

The 6140-604 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6140 caliber with 20j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-ce5c8e6c16ba]

Also known as: Golden Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

37mm

Case Thickness

15.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Black

Jewels

20j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1966

Related Models

• Seiko 0756-618
• Seiko 4575-539
• Seiko 7118-747
• Seiko 3827-272
• Seiko 6293-859
• Seiko 0762-155
• Seiko 3878-992
• Seiko 6329-920
• Seiko 5267-560
• Seiko 6358-195
• Seiko 7187-664
• Seiko 7089-980