Seiko Cal. 7140 - 407

The 7140-407 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7140 caliber with 27j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-860f5cbf1b7e]

Also known as: Panda, Crown

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

12.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

100m

Dial Color

Champagne

Jewels

27j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1986

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