Seiko Cal. 3869 - 820

The Seiko 3869-820 represents an important milestone in Seiko's 1973 lineup. The Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-6bb1a56d7992]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

44mm

Case Thickness

15.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

170m

Dial Color

Black

Jewels

25j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1973

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