Seiko Cal. 6220 - 618

This Spring Drive model from 1965 features a 39mm Stainless Steel case. It features a Navy dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-eee4a4060804]

Also known as: Baby Tuna, Emperor

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

13.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Navy

Jewels

18j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1965

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