Seiko Cal. 5646 - 154

This Spring Drive model from 1993 features a 42mm PVD Black case. It features a Green dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-1699d43ea174]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

14.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Green

Jewels

17j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1993

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