Seiko Cal. 6684 - 177

The Seiko 6684-177 represents an important milestone in Seiko's 1980 lineup. It features a Blue Sunburst dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-23e498ab558f]

Also known as: Tuna, World Timer

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1980

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