Seiko Cal. 6655 - 507

The Seiko 6655-507 represents an important milestone in Seiko's 1977 lineup. It features a White dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-3c295676abcc]

Also known as: Bellmatic, Golden Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

11.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

White

Jewels

22j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1977

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