Seiko Cal. 6327 - 740

The 6327-740 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6327 caliber with 31j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-17059d922f94]

Also known as: Turtle, Emperor

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

10.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Black

Jewels

31j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1985

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