Seiko Cal. 3884 - 646

This Automatic model from 1980 features a 45mm Hardlex-Coated Steel case. With its 22mm lug width and 11.4mm profile, it sits comfortably on most wrists. [seikata-wm-5384ff8cfc8b]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

11.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Navy

Jewels

30j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1980

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