Seiko Cal. 5613 - 316

Seiko 5613-316

This Quartz model from 1970 features a 42mm Stainless Steel case. Powered by the 5613 caliber with 21j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-f8a8b3c3341d]

Also known as: Baby Tuna

Specifications

Movement
Quartz
Case Material
Stainless Steel
Case Width
42mm
Case Thickness
8.9mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
180m
Dial Color
Green
Jewels
21j
Frequency
21,600 bph
Power Reserve
61 hours
Year
1970

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