Seiko Cal. 4571 - 660

Released in 1987, the Cal. 4571 with design code 660 was part of Seiko's domestic market collection. It features a Navy dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-37ff85a0c2df]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

11.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

190m

Dial Color

Navy

Jewels

23j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1987

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