Seiko Cal. 6365 - 487

The Seiko 6365-487 represents an important milestone in Seiko's 1988 lineup. Powered by the 6365 caliber with 31j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-493ffca3d2a9]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

39mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

30m

Dial Color

Burgundy

Jewels

31j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1988

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