Seiko Cal. 6657 - 831

This Kinetic model from 1986 features a 44mm Hardlex-Coated Steel case. It features a Black dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-335cbb5f4ea9]

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

11.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

50m

Dial Color

Black

Jewels

19j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1986

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