Seiko Cal. 5223 - 157

The Seiko 5223-157 represents an important milestone in Seiko's 1967 lineup. Powered by the 5223 caliber with 17j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-dfaf843c4fa8]

Also known as: Monster, Baby Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

35mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Green

Jewels

17j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1967

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