Seiko Cal. 3820 - 428

The Seiko 3820-428 represents an important milestone in Seiko's 1997 lineup. It features a Green dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-073db26df031]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

8.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Green

Jewels

31j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1997

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