Seiko Cal. 3840 - 837

The 3840-837 is a sought-after Automatic piece from Seiko's golden era. It features a Green dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-732c5b69e514]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

12.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

60m

Dial Color

Green

Jewels

29j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1980

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