Seiko Cal. 6387 - 494

This Spring Drive model from 1981 features a 45mm Hardlex-Coated Steel case. With its 21mm lug width and 14.3mm profile, it sits comfortably on most wrists. [seikata-wm-5c565484516e]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

14.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

90m

Dial Color

Champagne

Jewels

26j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1981

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