Seiko Cal. 6388 - 308

The 6388-308 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6388 caliber with 33j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-13f8e0becd02]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

35mm

Case Thickness

14.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1992

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