Seiko Cal. 4542 - 675

The 4542-675 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4542 caliber with 31j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-ef1e803d440d]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

43mm

Case Thickness

11.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

White

Jewels

31j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1989

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