Seiko Cal. 7138 - 666

The Seiko 7138-666 represents an important milestone in Seiko's 1995 lineup. Powered by the 7138 caliber with 25j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-2fd1de31569a]

Also known as: Sumo, Arnie

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

14.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

130m

Dial Color

White

Jewels

25j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1995

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