Seiko Cal. 3865 - 715

The 3865-715 is a sought-after Solar piece from Seiko's golden era. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-14ce662eb9a0]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

44mm

Case Thickness

8.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Green

Jewels

36j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1980

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