Seiko Cal. 6684 - 537

This Hand-Winding model from 1985 features a 40mm PVD Black case. Powered by the 6684 caliber with 32j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-5c99a937ada3]

Also known as: Crown, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

12.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

180m

Dial Color

White

Jewels

32j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1985

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