Seiko Cal. 6140 - 370

The 6140-370 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6140 caliber with 27j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-263eaf6508ed]

Also known as: Shogun, Flighty

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

13.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Burgundy

Jewels

27j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1968

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