Seiko Cal. 0738 - 556

The Seiko 0738-556 represents an important milestone in Seiko's 1989 lineup. Powered by the 0738 caliber with 32j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-af738b96f51e]

Also known as: Tuna, Helmet

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

11.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

White

Jewels

32j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1989

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