Seiko Cal. 6628 - 177

This Spring Drive model from 1988 features a 39mm Two-Tone case. Powered by the 6628 caliber with 20j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-e3332308d442]

Also known as: Arnie, Flighty

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

14.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Cream

Jewels

20j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1988

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