Seiko Cal. 6678 - 820

The Seiko 6678-820 represents an important milestone in Seiko's 1998 lineup. It features a Navy dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-9187580da40e]

Also known as: Sea Horse, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

9.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

100m

Dial Color

Navy

Jewels

34j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1998

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