Seiko Cal. 7140 - 527

The 7140-527 is a sought-after Automatic piece from Seiko's golden era. The Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-2a610ff115bd]

Also known as: Helmet, Arnie

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

36mm

Case Thickness

9.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

80m

Dial Color

Navy

Jewels

26j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1973

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