Seiko Cal. 5660 - 273

This Hand-Winding model from 1979 features a 38mm PVD Black case. It features a White dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-d78c5ac70c63]

Also known as: Monster

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

38mm

Case Thickness

13.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

150m

Dial Color

White

Jewels

22j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1979

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