Seiko Cal. 6378 - 846

The Seiko 6378-846 represents an important milestone in Seiko's 1973 lineup. Powered by the 6378 caliber with 19j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-2f27ea70d2f0]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

11.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1973

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