Seiko Cal. 5620 - 392

The Seiko 5620-392 represents an important milestone in Seiko's 1988 lineup. Powered by the 5620 caliber with 32j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-655695f51f3a]

Also known as: Crown, Baby Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

14.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Navy

Jewels

32j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1988

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