Seiko Cal. 7028 - 604

The 7028-604 is a sought-after Quartz piece from Seiko's golden era. It features a Black dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-18cad4923ef6]

Also known as: World Timer, Crown

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

39mm

Case Thickness

10.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Black

Jewels

29j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1987

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