Seiko Cal. 5644 - 722

Seiko 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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seikata-wm-0e3a27526750