Seiko Cal. 4575 - 738

The 4575-738 is a sought-after Spring Drive piece from Seiko's golden era. With its 18mm lug width and 13.4mm profile, it sits comfortably on most wrists. [seikata-wm-6ae4ce7c34a8]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

13.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

Green

Jewels

23j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1994

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