Seiko Cal. 5660 - 633

This Automatic model from 1985 features a 37mm PVD Black case. It features a Green dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-850f4818b5f8]

Also known as: Goldfeather, Flighty

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

37mm

Case Thickness

13.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Green

Jewels

19j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1985

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