Seiko Cal. 6617 - 423

This Spring Drive model from 1977 features a 45mm Titanium case. It features a Blue Sunburst dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-d186e458a52b]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

9.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1977

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