Seiko Cal. 0727 - 540

Released in 1975, the Cal. 0727 with design code 540 was part of Seiko's domestic market collection. It features a Black dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-bd11ffbcac8d]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

46mm

Case Thickness

14.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Black

Jewels

35j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1975

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