Seiko Cal. 4542 - 891

This Spring Drive model from 1970 features a 37mm Two-Tone case. It features a Navy dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-23e393da60a5]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

12.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Navy

Jewels

25j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1970

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