Seiko Cal. 7188 - 946

Released in 1976, the Cal. 7188 with design code 946 was part of Seiko's domestic market collection. Powered by the 7188 caliber with 33j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-e3f2eaf2fdfa]

Also known as: Helmet, World Timer

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

39mm

Case Thickness

13.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

180m

Dial Color

Burgundy

Jewels

33j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1976

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