Seiko Cal. 3820 - 228

The 3820-228 is a sought-after Hand-Winding piece from Seiko's golden era. It features a White dial protected by a Acrylic crystal and offers 200m of water resistance. [seikata-wm-aaa99b1f737b]

Also known as: Helmet, Emperor

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

13.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

200m

Dial Color

White

Jewels

32j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1980

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