Seiko Cal. 5616 - 378

Seiko 5616-378

This Automatic model from 1979 features a 36mm Stainless Steel case. Powered by the 5616 caliber with 30j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-753bc7268769]

Also known as: Helmet, Flighty

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
36mm
Case Thickness
12.3mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
180m
Dial Color
Green
Jewels
30j
Frequency
21,600 bph
Power Reserve
62 hours
Year
1979

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seikata-wm-753bc7268769