Seiko Cal. 0750 - 556

The Seiko 0750-556 represents an important milestone in Seiko's 1998 lineup. The Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-2579259f7c7d]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

10.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

190m

Dial Color

Silver

Jewels

24j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1998

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