Seiko Cal. 7154 - 175

Released in 1975, the Cal. 7154 with design code 175 was part of Seiko's domestic market collection. The Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-4b0cd23221cf]

Also known as: Sumo, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

14.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

200m

Dial Color

Burgundy

Jewels

22j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1975

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