Seiko Cal. 5615 - 757

This Quartz model from 1975 features a 36mm Hardlex-Coated Steel case. Powered by the 5615 caliber with 36j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-e6be22ebd441]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

10.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1975

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