Seiko Cal. 0772 - 637

The 0772-637 is a sought-after Quartz piece from Seiko's golden era. It features a Green dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-37c20bce918b]

Also known as: Sumo, UFO

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

41mm

Case Thickness

11.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

120m

Dial Color

Green

Jewels

19j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1997

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