Seiko Cal. 6685 - 517

This Spring Drive model from 1990 features a 37mm PVD Black case. Powered by the 6685 caliber with 31j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-ace657373a0c]

Also known as: Tuna, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

12.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Champagne

Jewels

31j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1990

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