Seiko Cal. 6388 - 549

Released in 1975, the Cal. 6388 with design code 549 was part of Seiko's domestic market collection. Powered by the 6388 caliber with 24j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-fc6358d7dd8b]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

11.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Black

Jewels

24j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1975

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