Seiko Cal. 3820 - 499

This Automatic model from 1975 features a 43mm Stainless Steel case. Powered by the 3820 caliber with 21j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-5006cf195d97]

Also known as: Golden Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

15.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Burgundy

Jewels

21j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1975

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