Seiko Cal. 7023 - 220

This Hand-Winding model from 1991 features a 38mm Hardlex-Coated Steel case. Powered by the 7023 caliber with 23j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-7377ab730098]

Also known as: Silverwave, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

9.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

White

Jewels

23j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1991

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