Seiko Cal. 6678 - 138

This Spring Drive model from 1996 features a 42mm Hardlex-Coated Steel case. It features a White dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-05d8c2d49cfe]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

14.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

White

Jewels

24j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1996

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