Seiko Cal. 7138 - 422

The 7138-422 is a sought-after Quartz piece from Seiko's golden era. Powered by the 7138 caliber with 30j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-34eed321a543]

Also known as: Emperor

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

37mm

Case Thickness

8.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

170m

Dial Color

Champagne

Jewels

30j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1989

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