Seiko Cal. 0723 - 639

Seiko 0723-639

Released in 1981, the Cal. 0723 with design code 639 was part of Seiko's domestic market collection. It features a Green dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-dd9b5b9186af]

Also known as: Bullhead, UFO

Specifications

Movement
Solar
Case Material
Stainless Steel
Case Width
34mm
Case Thickness
8.8mm
Lug Width
19mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
170m
Dial Color
Green
Jewels
31j
Frequency
21,600 bph
Power Reserve
72 hours
Year
1981

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