Seiko Cal. 4581 - 320

Released in 1969, the Cal. 4581 with design code 320 was part of Seiko's domestic market collection. It features a Champagne dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-d6b7320b34db]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

10.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

Champagne

Jewels

17j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1969

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