Seiko Cal. 7152 - 138

The Seiko 7152-138 represents an important milestone in Seiko's 1975 lineup. Powered by the 7152 caliber with 21j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-58bc192e7178]

Also known as: Monster, Navigator

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

9.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Champagne

Jewels

21j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1975

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