Seiko Cal. 6327 - 711

The Seiko 6327-711 represents an important milestone in Seiko's 1967 lineup. Powered by the 6327 caliber with 33j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-a87a1f4fc02e]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

9.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

110m

Dial Color

White

Jewels

33j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1967

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