Seiko Cal. 6320 - 487

The Seiko 6320-487 represents an important milestone in Seiko's 1976 lineup. Powered by the 6320 caliber with 18j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-cdacbeb633ce]

Also known as: Tuna, Crown

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

36mm

Case Thickness

15.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

200m

Dial Color

Burgundy

Jewels

18j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1976

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