Seiko Cal. 6649 - 320

Released in 1978, the Cal. 6649 with design code 320 was part of Seiko's domestic market collection. Powered by the 6649 caliber with 25j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-34c089baedb5]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

44mm

Case Thickness

11.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

200m

Dial Color

Silver

Jewels

25j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1978

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