Seiko Cal. 6284 - 338

This Automatic model from 1974 features a 37mm PVD Black case. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-de6964cf4b1c]

Also known as: Silverwave

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

37mm

Case Thickness

13.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Burgundy

Jewels

35j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1974

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