Seiko Cal. 4555 - 831

The 4555-831 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Burgundy dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-982d9bc491d4]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

36mm

Case Thickness

8.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Burgundy

Jewels

30j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1971

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