Seiko Cal. 3816 - 182

This Spring Drive model from 1977 features a 46mm Hardlex-Coated Steel case. With its 22mm lug width and 9.2mm profile, it sits comfortably on most wrists. [seikata-wm-5fbe660b4fc3]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

9.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

80m

Dial Color

Cream

Jewels

24j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1977

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