Seiko Cal. 6378 - 600

The Seiko 6378-600 represents an important milestone in Seiko's 1969 lineup. Powered by the 6378 caliber with 28j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-90bbbc7fe2c5]

Also known as: Sumo, Pogue

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

13.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

70m

Dial Color

Silver

Jewels

28j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1969

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