Seiko Cal. 6677 - 256

The Seiko 6677-256 represents an important milestone in Seiko's 1969 lineup. It features a White dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-9b4b507ae618]

Also known as: Tuna, Golden Tuna

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

White

Jewels

33j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1969

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