Seiko Cal. 6678 - 453

This Spring Drive model from 1992 features a 41mm PVD Black case. It features a Navy dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-4436aacc34d6]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

8.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Navy

Jewels

36j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1992

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