Seiko Cal. 6678 - 503

The Seiko 6678-503 represents an important milestone in Seiko's 1989 lineup. It features a Burgundy dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-78871b900eaf]

Also known as: Tuna, Goldfeather

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

13.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Burgundy

Jewels

33j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1989

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