Seiko Cal. 6338 - 355

The 6338-355 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6338 caliber with 29j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-87ec82897456]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

9.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Champagne

Jewels

29j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1979

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