Seiko Cal. 4531 - 378

This Automatic model from 1995 features a 40mm Two-Tone case. It features a Black dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-f5a19a1d7530]

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

8.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Black

Jewels

33j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1995

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