Seiko Cal. 4540 - 952

This Spring Drive model from 1992 features a 37mm Two-Tone case. It features a Black dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-8b034a714bfa]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

9.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

180m

Dial Color

Black

Jewels

19j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1992

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