Seiko Cal. 3820 - 205

The Seiko 3820-205 represents an important milestone in Seiko's 1995 lineup. Powered by the 3820 caliber with 17j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-cdea68d6dd7d]

Also known as: Monster, Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

14.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Burgundy

Jewels

17j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1995

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