Seiko Cal. 6388 - 437

This Solar model from 1981 features a 37mm Gold-Plated case. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-e60d079d57f0]

Also known as: Bullhead

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

15.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Black

Jewels

17j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1981

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