Seiko Cal. 6384 - 688

The 6384-688 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6384 caliber with 21j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-de0a18174cfd]

Also known as: Bellmatic, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

38mm

Case Thickness

12.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1977

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