Seiko Cal. 4555 - 648

This Spring Drive model from 1987 features a 39mm PVD Black case. It features a Navy dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-9475303e733e]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

11.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Navy

Jewels

35j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1987

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