Seiko Cal. 7133 - 392

The Seiko 7133-392 represents an important milestone in Seiko's 1968 lineup. Powered by the 7133 caliber with 31j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-a003094c176e]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

8.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Silver

Jewels

31j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1968

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