Seiko Cal. 6331 - 105

This Hand-Winding model from 1990 features a 42mm Hardlex-Coated Steel case. It features a Silver dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-cc83a3ab7b5d]

Also known as: Turtle

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

15.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Silver

Jewels

34j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1990

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