Seiko Cal. 7187 - 948

The Seiko 7187-948 represents an important milestone in Seiko's 1970 lineup. The Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-2526151ebef8]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

12.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

110m

Dial Color

Green

Jewels

34j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1970

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