Seiko Cal. 6140 - 439

This Automatic model from 1970 features a 35mm Two-Tone case. Powered by the 6140 caliber with 22j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-3c04452ff6f0]

Also known as: Helmet, Goldfeather

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

35mm

Case Thickness

11.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Champagne

Jewels

22j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1970

Related Models

• Seiko 6364-507
• Seiko 5637-241
• Seiko 6339-600
• Seiko 6373-717
• Seiko 4416-969
• Seiko 7119-954
• Seiko 6155-308
• Seiko 6246-250
• Seiko 0726-297
• Seiko 6275-499
• Seiko 7163-547
• Seiko 7016-101