Seiko Cal. 5615 - 448

The Seiko 5615-448 represents an important milestone in Seiko's 1967 lineup. Powered by the 5615 caliber with 18j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-d5f28b753dc8]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

10.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Black

Jewels

18j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1967

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