Seiko Cal. 5655 - 306

The Seiko 5655-306 represents an important milestone in Seiko's 1987 lineup. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-0515a0d94173]

Also known as: Helmet, Navigator

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

12.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1987

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