Seiko Cal. 6370 - 664

This Solar model from 1967 features a 38mm Titanium case. The Bidirectional bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-d05fd931d381]

Also known as: Rally, Baby Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

38mm

Case Thickness

12.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Silver

Jewels

19j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1967

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