Seiko Cal. 7140 - 327

The Seiko 7140-327 represents an important milestone in Seiko's 1969 lineup. Powered by the 7140 caliber with 18j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-063a0a8be41a]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Navy

Jewels

18j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1969

Related Models

• Seiko 6680-647
• Seiko 4433-200
• Seiko 4476-580
• Seiko 5699-645
• Seiko 6249-188
• Seiko 0753-283
• Seiko 5232-987
• Seiko 5643-193
• Seiko 6129-217
• Seiko 6118-472
• Seiko 7016-254
• Seiko 6671-559