Seiko Cal. 5644 - 722

This Automatic model from 1977 features a 35mm PVD Black case. It features a Green dial protected by a Acrylic crystal and offers 130m of water resistance. [seikata-wm-0e3a27526750]

Also known as: Sumo, Panda

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

35mm

Case Thickness

12.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Green

Jewels

18j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1977

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