Seiko Cal. 4577 - 437

This Automatic model from 1977 features a 44mm PVD Black case. It features a Navy dial protected by a Acrylic crystal and offers 60m of water resistance. [seikata-wm-88df2d79bafe]

Also known as: Arnie

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

44mm

Case Thickness

9.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Navy

Jewels

22j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1977

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