Seiko Cal. 6610 - 709

This Solar model from 1972 features a 44mm Hardlex-Coated Steel case. It features a Green dial protected by a Hardlex crystal and offers 110m of water resistance. [seikata-wm-f5994db1fab7]

Also known as: Sumo, Arnie

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

8.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Green

Jewels

25j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1972

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