Seiko Cal. 7138 - 984

The Seiko 7138-984 represents an important milestone in Seiko's 1992 lineup. It features a Green dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-fb3e35352e1e]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

39mm

Case Thickness

8.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Green

Jewels

33j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1992

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