Seiko Cal. 6378 - 328

The Seiko 6378-328 represents an important milestone in Seiko's 1988 lineup. Powered by the 6378 caliber with 33j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-077f8a13651b]

Also known as: Pogue, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

15.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

80m

Dial Color

White

Jewels

33j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1988

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