Seiko Cal. 7023 - 442

Released in 1990, the Cal. 7023 with design code 442 was part of Seiko's domestic market collection. Powered by the 7023 caliber with 34j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-0eba5fe74861]

Also known as: Tuna, Rally

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

45mm

Case Thickness

12.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

40m

Dial Color

Black

Jewels

34j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1990

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