Seiko Cal. 3820 - 725

The Seiko 3820-725 represents an important milestone in Seiko's 1995 lineup. Powered by the 3820 caliber with 30j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-ceb153175e20]

Also known as: Golden Tuna, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

15.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1995

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