Seiko Cal. 4581 - 365

The 4581-365 is a sought-after Quartz piece from Seiko's golden era. It features a Black dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-97c9b67bd56d]

Also known as: Sea Horse

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

46mm

Case Thickness

14.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Black

Jewels

17j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1969

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