Seiko Cal. 3859 - 502

The Seiko 3859-502 represents an important milestone in Seiko's 1974 lineup. The Fixed bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-afe965c5737f]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

12.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

170m

Dial Color

Silver

Jewels

36j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1974

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