Seiko Cal. 4520 - 357

This Spring Drive model from 1991 features a 39mm Two-Tone case. It features a Navy dial protected by a Acrylic crystal and offers 150m of water resistance. [seikata-wm-52d06140c2bf]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

9.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Navy

Jewels

24j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1991

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