Seiko Cal. 6378 - 610

The 6378-610 is a sought-after Solar piece from Seiko's golden era. Powered by the 6378 caliber with 30j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-bd0efafb6edb]

Also known as: Goldfeather

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

34mm

Case Thickness

8.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

60m

Dial Color

Burgundy

Jewels

30j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1975

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