Seiko Cal. 7088 - 540

Released in 1966, the Cal. 7088 with design code 540 was part of Seiko's domestic market collection. Powered by the 7088 caliber with 18j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-2b9f1ef92e31]

Also known as: Helmet, Crown

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

14.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Champagne

Jewels

18j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1966

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