Seiko Cal. 6388 - 953

The Seiko 6388-953 represents an important milestone in Seiko's 1991 lineup. Powered by the 6388 caliber with 29j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-88db3f5683ff]

Also known as: Sumo, Crown

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

14.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1991

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