Seiko Cal. 5645 - 684

Seiko 5645-684

This Solar model from 1981 features a 37mm Stainless Steel case. Powered by the 5645 caliber with 28j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-ab25020c17b3]

Specifications

Movement
Solar
Case Material
Stainless Steel
Case Width
37mm
Case Thickness
9.3mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
180m
Dial Color
Green
Jewels
28j
Frequency
21,600 bph
Power Reserve
57 hours
Year
1981

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seikata-wm-ab25020c17b3