Seiko Cal. 6645 - 510

This Spring Drive model from 1982 features a 37mm Stainless Steel case. Powered by the 6645 caliber with 22j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-8340ce0bc6e3]

Also known as: Silverwave, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

9.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Navy

Jewels

22j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1982

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