Seiko Cal. 3820 - 337

This Spring Drive model from 1976 features a 36mm Titanium case. Powered by the 3820 caliber with 17j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-56f934528fbb]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

14.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

170m

Dial Color

White

Jewels

17j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1976

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