Seiko Cal. 6645 - 821

This Spring Drive model from 1995 features a 42mm Hardlex-Coated Steel case. The Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-ef5d0ae86376]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

10.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

60m

Dial Color

Cream

Jewels

32j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1995

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