Seiko Cal. 6653 - 335

This Spring Drive model from 1977 features a 35mm Hardlex-Coated Steel case. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-e741c2decfd4]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

12.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1977

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