Seiko Cal. 6348 - 538

The Seiko 6348-538 represents an important milestone in Seiko's 1966 lineup. Powered by the 6348 caliber with 23j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-992ef1972624]

Also known as: Tuna, Sportsmatic

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

9.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Black

Jewels

23j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1966

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