Seiko Cal. 0722 - 487

This Hand-Winding model from 1976 features a 37mm Titanium case. Powered by the 0722 caliber with 30j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-4bfbc832319c]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

10.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Champagne

Jewels

30j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1976

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