Seiko Cal. 6327 - 991

The 6327-991 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6327 caliber with 27j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-1a853a6faced]

Also known as: Tuna, Flighty

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

8.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Green

Jewels

27j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1986

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