Seiko Cal. 7139 - 780

This Hand-Winding model from 1992 features a 38mm Hardlex-Coated Steel case. It features a Green dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-835613e1f445]

Also known as: Turtle, Navigator

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

11.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Green

Jewels

36j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1992

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