Seiko Cal. 6628 - 837

This Quartz model from 1969 features a 41mm PVD Black case. Powered by the 6628 caliber with 32j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-dfb1ce8961f6]

Also known as: Golden Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

41mm

Case Thickness

8.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Burgundy

Jewels

32j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1969

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