Seiko Cal. 6378 - 147

The 6378-147 is a sought-after Solar piece from Seiko's golden era. Powered by the 6378 caliber with 29j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-bf6eeca82227]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

45mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Silver

Jewels

29j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1978

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