Seiko Cal. 6188 - 138

The Seiko 6188-138 represents an important milestone in Seiko's 1986 lineup. Powered by the 6188 caliber with 25j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-827ad52b3cdd]

Also known as: World Timer

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

15.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Silver

Jewels

25j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1986

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