Seiko Cal. 6610 - 403

This Spring Drive model from 1975 features a 41mm Stainless Steel case. It features a Navy dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-ee2dc7cfbcbf]

Also known as: Samurai, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

14.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Navy

Jewels

28j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1975

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