Seiko Cal. 0722 - 640

This Hand-Winding model from 1982 features a 38mm PVD Black case. Powered by the 0722 caliber with 36j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-d6d45cb8727c]

Also known as: Turtle, Navigator

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

38mm

Case Thickness

8.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Navy

Jewels

36j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1982

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