Seiko Cal. 6291 - 421

This Hand-Winding model from 1987 features a 44mm Hardlex-Coated Steel case. With its 20mm lug width and 10.6mm profile, it sits comfortably on most wrists. [seikata-wm-1005ac4be2c1]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

10.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1987

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