Seiko Cal. 3821 - 445

This Spring Drive model from 1977 features a 36mm Gold-Plated case. With its 18mm lug width and 8.8mm profile, it sits comfortably on most wrists. [seikata-wm-3c5090c5d913]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Champagne

Jewels

33j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1977

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