Seiko Cal. 3879 - 236

This Spring Drive model from 1969 features a 39mm Titanium case. Powered by the 3879 caliber with 34j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-3c3d389eea4a]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

12.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Burgundy

Jewels

34j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1969

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