Seiko Cal. 4511 - 530

This Spring Drive model from 1977 features a 39mm PVD Black case. It features a Silver dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-33261621bc62]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

14.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Silver

Jewels

27j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1977

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