Seiko Cal. 4556 - 258

The Seiko 4556-258 represents an important milestone in Seiko's 1979 lineup. It features a Navy dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-5f5de97bbc40]

Also known as: Monster, Crown

Specifications

Movement

Solar

Case Material

Titanium

Case Width

41mm

Case Thickness

12.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Navy

Jewels

23j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1979

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