Seiko Cal. 7188 - 840

The Seiko 7188-840 represents an important milestone in Seiko's 1974 lineup. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-a8121226dcf4]

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Green

Jewels

35j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1974

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