Seiko Cal. 5621 - 517

This Automatic model from 1977 features a 40mm PVD Black case. It features a Green dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-7881c54e3b77]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

40mm

Case Thickness

8.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Green

Jewels

20j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1977

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