Seiko Cal. 6684 - 906

This Spring Drive model from 1985 features a 40mm Hardlex-Coated Steel case. Powered by the 6684 caliber with 31j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-de3ffae73306]

Also known as: Turtle, Arnie

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

14.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Champagne

Jewels

31j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1985

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