Seiko Cal. 6660 - 836

This Hand-Winding model from 1994 features a 37mm PVD Black case. It features a Blue Sunburst dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-c8af8e8d8559]

Also known as: Silverwave, Crown

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

8.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1994

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