Seiko Cal. 6388 - 536

The Seiko 6388-536 represents an important milestone in Seiko's 1969 lineup. The Bidirectional bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-08c9a20c5d9d]

Also known as: Golden Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

41mm

Case Thickness

11.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Silver

Jewels

29j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1969

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