Seiko Cal. 7024 - 631

Seiko 7024-631

The Seiko 7024-631 represents an important milestone in Seiko's 1978 lineup. Powered by the 7024 caliber with 33j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-84a04226d73f]

Also known as: Sumo, Baby Tuna

Specifications

Movement
Kinetic
Case Material
Two-Tone
Case Width
44mm
Case Thickness
14.4mm
Lug Width
18mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
40m
Dial Color
Green
Jewels
33j
Frequency
21,600 bph
Power Reserve
37 hours
Year
1978

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