Seiko Cal. 6681 - 565

The Seiko 6681-565 represents an important milestone in Seiko's 1978 lineup. It features a Navy dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-af3eae239917]

Also known as: Sea Horse, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

9.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

31j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1978

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