Seiko Cal. 4581 - 900

Released in 1968, the Cal. 4581 with design code 900 was part of Seiko's domestic market collection. It features a Cream dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-456795f063ba]

Also known as: Sumo, Rally

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

37mm

Case Thickness

13.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Cream

Jewels

32j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1968

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