Seiko Cal. 6366 - 270

This Spring Drive model from 1977 features a 37mm Titanium case. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-6b1f6a64b02d]

Also known as: Crown, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

9.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1977

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