Seiko Cal. 3815 - 864

The 3815-864 is a sought-after Kinetic piece from Seiko's golden era. With its 21mm lug width and 15.1mm profile, it sits comfortably on most wrists. [seikata-wm-4e930b2c4b45]

Also known as: Baby Tuna

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

15.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Green

Jewels

17j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1976

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