Seiko Cal. 6660 - 722

The 6660-722 is a sought-after Automatic piece from Seiko's golden era. It features a Cream dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-0aa3fa8ad7de]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

10.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

140m

Dial Color

Cream

Jewels

36j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1973

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