Seiko Cal. 3840 - 338

The 3840-338 is a sought-after Spring Drive piece from Seiko's golden era. With its 19mm lug width and 12.9mm profile, it sits comfortably on most wrists. [seikata-wm-4116c435c254]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

12.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

90m

Dial Color

Green

Jewels

32j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1966

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