Seiko Cal. 4497 - 746

This Quartz model from 1980 features a 40mm PVD Black case. It features a Green dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-e18c6be5c40a]

Also known as: Sumo, Shogun

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

40mm

Case Thickness

8.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

170m

Dial Color

Green

Jewels

28j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1980

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