Seiko Cal. 6390 - 257

This Hand-Winding model from 1998 features a 41mm Hardlex-Coated Steel case. It features a Champagne dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-9f3d92ec1573]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

13.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Champagne

Jewels

32j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1998

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