Seiko Cal. 6388 - 550

Released in 1998, the Cal. 6388 with design code 550 was part of Seiko's domestic market collection. Powered by the 6388 caliber with 33j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-fa5854eacb7f]

Also known as: Crown, Emperor

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

42mm

Case Thickness

12.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

White

Jewels

33j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1998

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