Seiko Cal. 7172 - 138

The Seiko 7172-138 represents an important milestone in Seiko's 1969 lineup. Powered by the 7172 caliber with 27j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-4c6ba70613ea]

Also known as: Monster

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

46mm

Case Thickness

9.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

200m

Dial Color

Champagne

Jewels

27j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1969

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