Seiko Cal. 5620 - 966

This Spring Drive model from 1983 features a 40mm Hardlex-Coated Steel case. Powered by the 5620 caliber with 23j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-38d0ce981cd7]

Also known as: Silverwave, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

8.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

130m

Dial Color

White

Jewels

23j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1983

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