Seiko Cal. 6639 - 237

This Hand-Winding model from 1995 features a 37mm PVD Black case. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-1d2739e04964]

Also known as: Panda, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

11.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1995

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