Seiko Cal. 6331 - 311

This Hand-Winding model from 1991 features a 45mm Stainless Steel case. It features a Cream dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-500a9d46c60d]

Also known as: Navigator, Emperor

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

15.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Cream

Jewels

24j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1991

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