Seiko Cal. 0728 - 127

Released in 1975, the Cal. 0728 with design code 127 was part of Seiko's domestic market collection. Powered by the 0728 caliber with 31j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-1d4a9c150b3a]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

8.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

White

Jewels

31j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1975

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