Seiko Cal. 6658 - 321

This Automatic model from 1985 features a 39mm Hardlex-Coated Steel case. It features a Cream dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-2cfe10d61d81]

Also known as: Monster, Navigator

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

11.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Cream

Jewels

26j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1985

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