Seiko Cal. 4523 - 858

The Seiko 4523-858 represents an important milestone in Seiko's 1972 lineup. It features a White dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-944f015b2132]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

42mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

White

Jewels

33j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1972

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