Seiko Cal. 6348 - 438

The Seiko 6348-438 represents an important milestone in Seiko's 1966 lineup. Powered by the 6348 caliber with 28j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-95e3e67188a0]

Also known as: Sumo, Navigator

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

39mm

Case Thickness

11.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

40m

Dial Color

White

Jewels

28j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1966

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