Seiko Cal. 4565 - 728

This Hand-Winding model from 1970 features a 46mm PVD Black case. Powered by the 4565 caliber with 35j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-ccba744ee3e5]

Also known as: Sportsmatic, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

46mm

Case Thickness

15.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

White

Jewels

35j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1970

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