Seiko Cal. 6677 - 777

Released in 1980, the Cal. 6677 with design code 777 was part of Seiko's domestic market collection. It features a White dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-e6fa0baccb6a]

Also known as: Tuna, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

8.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

140m

Dial Color

White

Jewels

18j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1980

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