Seiko Cal. 0723 - 559

Released in 1965, the Cal. 0723 with design code 559 was part of Seiko's domestic market collection. Powered by the 0723 caliber with 36j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-d448cfd41eb9]

Also known as: Monster, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Green

Jewels

36j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1965

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