Seiko Cal. 6390 - 831

This Quartz model from 1996 features a 44mm Stainless Steel case. It features a Silver dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-3f5ffe1623d9]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

12.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Silver

Jewels

23j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1996

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