Seiko Cal. 0710 - 640

The 0710-640 is a sought-after Automatic piece from Seiko's golden era. It features a Navy dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-92425ca2b6c4]

Also known as: UFO, Emperor

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

11.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Navy

Jewels

31j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1967

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