Seiko Cal. 3820 - 844

The 3820-844 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Green dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-b20cc9c28e7d]

Also known as: Tuna, Pogue

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

36mm

Case Thickness

13.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Green

Jewels

18j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1972

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