Seiko Cal. 6138 - 121

This Automatic model from 1990 features a 43mm Stainless Steel case. The Inner Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-aac5814168ea]

Also known as: Helmet, Silverwave

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

9.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Champagne

Jewels

17j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1990

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