Seiko Cal. 6389 - 378

The 6389-378 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6389 caliber with 23j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-b8f3c2423bdb]

Also known as: Golden Tuna, Emperor

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

12.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1995

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