Seiko Cal. 3811 - 123

The Seiko 3811-123 represents an important milestone in Seiko's 1965 lineup. Powered by the 3811 caliber with 23j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-6cf808b79b0f]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

37mm

Case Thickness

13.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Green

Jewels

23j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1965

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