Seiko Cal. 6138 - 438

This Spring Drive model from 1978 features a 39mm Titanium case. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-bdf30d4de9c0]

Also known as: Pogue, Emperor

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

9.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Navy

Jewels

34j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1978

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