Seiko Cal. 6123 - 136

The Seiko 6123-136 represents an important milestone in Seiko's 1972 lineup. Powered by the 6123 caliber with 20j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-9784d9c0e43e]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

35mm

Case Thickness

11.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

190m

Dial Color

Silver

Jewels

20j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1972

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