Seiko Cal. 6320 - 669

The Seiko 6320-669 represents an important milestone in Seiko's 1977 lineup. Powered by the 6320 caliber with 17j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-0d97a3c904c7]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

35mm

Case Thickness

14.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Burgundy

Jewels

17j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1977

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